Recent content by 有問題的人

This is helpful~ thanks~ I got it

Can't find the similarity =o=

I can't conquer my brain... so... I need you guys' help

NVM~~ I got the first one I just need to know how to do the second one

but I have no ideas about how to start this...

I have two probability questions.. and I have no clues staring them... So... let's do this.. Two fair six-sided are rolled and the face values are added. What is the probability of obtaining a sum that is an even number less than 8? There are 10 horses in a race. A...

　Ｏｈ～～　Ｉ　ｄｉｄ　ｇｅｔ　ｔｈｅ　ｆｉｒｓｔ　ｏｎｅ。。。　 　Ｔｈａｎｋｓ　ｆｏｒ　ｔｈｅ　ｉｎｓｐｉｒａｔｉｏｎ 　ｔｈｅ　ｔｈｉｒｄ　ｏｎｅ　ｉｓ　。。。ｓｔｉｌｌ　ｃｏｎｆｕｓｅｄ。。。 　ｈａｈａ。。。　Ｉ　ｇｕｅｓｓ　ｉｔ’ｓ　ｃｕｔｅｒ。。　ｓｏ　ｔｈａｔ’ｓ　ｗｈｙ　ｉ　ｕｓｅ　ｉｔ　ａｌｌ　ｔｈｅ　ｔｉｍｅ

so many rules =o=

I got the second one ~~ however... I still don't know how to do the first one and the third one

how's the title interesting @@ You mean the form?

It's ok ==~~ not a creative name...

A kind of the trigonometry question... Let θ be an angle in standard position such that cotθ=-4/3 and sinθ<0. Determine the exact value of sec θ Determine the number of solutions for (asinx-b)(acosx-a)(bsinx+a)=0 where 0≦x＜2\pi, if 0＜a＜b. A fair coin is tossed 60 times...